4040784605 has 64 divisors (see below), whose sum is σ = 5871495168. Its totient is φ = 2630396160.

The previous prime is 4040784599. The next prime is 4040784619. The reversal of 4040784605 is 5064870404.

It is not a de Polignac number, because 4040784605 - 2²⁸ = 3772349149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5134022 + ... + 5134808.

It is an arithmetic number, because the mean of its divisors is an integer number (91742112).

Almost surely, 2^4040784605 is an apocalyptic number.

It is an amenable number.

4040784605 is a deficient number, since it is larger than the sum of its proper divisors (1830710563).

4040784605 is a wasteful number, since it uses less digits than its factorization.

4040784605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 4040784605 is about 63567.1660922524. The cubic root of 4040784605 is about 1592.7779456980. Note that the first 3 decimals are identical.

The spelling of 4040784605 in words is "four billion, forty million, seven hundred eighty-four thousand, six hundred five".